2020 · 4 years old at test · Petrol mostly

2020 BMW m4 MOT pass rate and common faults

1,116 MOT tests in 2024. 87.9% passed first time, compared with 86.9% for all cars the same age.

101About average
Passed first time87.9%
Failed or needed repairs12.1%
Typical mileage at test23,000

Most common reasons for failing

Share of all 1,116 tests where this item caused a failure.

  1. Tyres - condition: has ply or cords exposed5.3%
    117 marked dangerous
  2. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords3.2%
  3. Headlamp aim: too high1.2%
  4. Coil spring: fractured or broken0.7%
  5. Tyres - condition: has a tear, caused by separation or partial failure of its structure0.4%
    6 marked dangerous
  6. Headlamp aim: too low0.4%
  7. Registration plates: does not conform to the specified requirements0.4%
  8. Rbt (sp): efficiency below requirements0.3%
  9. Tyres - condition: has a bulge, caused by separation or partial failure of its structure0.3%
    4 marked dangerous

Problem areas

Failure items found per 100 tests, by part of the car.

  1. Tyres10.1%
  2. Lights & electrics2.1%
  3. Suspension0.7%
  4. Number plates & VIN0.4%
  5. Brakes0.4%
  6. Visibility (wipers, screen, mirrors)0.4%
  7. Emissions & leaks0.2%
  8. Body & chassis0.1%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm7.3%
  2. Tyres - condition: has a tear, caused by separation or partial failure of its structure3.5%
  3. Non-component advisories: Nail in tyre3.3%
  4. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords2.2%
  5. Brake discs: in such a condition that it is seriously weakened2.0%

What this means if you are buying one

This model year is about as good as an average car its age. Before buying, check the area that fails most: tyres - condition: has ply or cords exposed. Then look up the car's own MOT history on GOV.UK with its number plate, and look for repeat advisories.

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Questions

What is the MOT pass rate for a 2020 BMW m4?

In 2024, 87.9% of 2020 BMW m4 cars passed their MOT first time, across 1,116 tests. The average for all 4-year-old cars was 86.9%.

What are the most common MOT failures on a 2020 BMW m4?

The most common failure reasons were tyres - condition: has ply or cords exposed; tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords; headlamp aim: too high. The biggest problem area was tyres.

Is the 2020 BMW m4 reliable at MOT time?

Its MOT Rank score is 101, which is about average for a car of its age (100 means exactly average).